A 52-kg woman has 7.2 x 10-3 mol of hemoglobin (molar mass = 64456 g/mol) in her blood. How many hemoglogin molecules is this?

An apple pie needs 10 large apples, 2 crusts (top and bottom), and 1 tablespoon of cinnamon. Write a balanced equation that fits this situation. How many apples are needed to make 25 pies?

Herbimycin is an herbicide with the chemical formula C30H42N2O9. Answer the questions below concerning samples of Herbimycin.[Note: Very large numbers requiring scientific notation can be entered as they appears on your calculator screen. 1.25×1022 would be entered as 1.25E23.]• How many moles of Herbimycin are present in 30.00 grams of Herbimycin? • How many molecules of Herbimycin are present in 30.00 grams of Herbimycin? • How many atoms of hydrogen are present in 0.0800 moles of Herbimycin? • How many moles of oxygen are present in 10.00 grams of Herbimycin?

If you have 28 g of ibuprofen (C13H18O2) molecules, how many ibuprofen molecules do you have?

Br 1.2 Li, Et₂O 2. CH3COCH₂CH3 3. H3O+

A certain nut crunch cereal contains 11.0 grams of sugar (sucrose, C12H22O11) per serving size of 60.0 grams. How many servings of this cereal must be eaten to consume 0.0278 moles of sugar?

A hydrocarbon compound (containing only H and C) is completely combusted in excess oxygen gas.  If 0.440 g and 0.180 g of carbon dioxide (44.0 g/ mol) and water (18.0 g/mol) are created respectively, which formula below would be possible?     C2H5     C2H4     C2H2     C2H6     C6H6

What is the molar mass of Teflon (C2F4)10

How many molecules are there in (5.95*10^ ^ 2)gCCl 4 : Answer to 3 significant figures .

A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate. What percentage of calcium carbonate is in the mixture? Write the formula of calcium carbonate.